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64 listings, ranked by trust score unless you choose otherwise.
Showing all 64 listings served from ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws. Provider page · Back to one row per provider
- 77trustGet Current Crypto PriceSindri
Live cryptocurrency price API. Returns the current market price (in USD) of any cryptocurrency by ticker symbol (BTC, ETH, DOGE, etc.) — live market data an LLM cannot know on its own.
$0.01per call on Base100% uptime, 369 ms, 2 paying agentsPassing, checked 55 min ago - 77trustUrl DecodeSindri
URL decoder API. Decodes percent-encoded URL text back to plain text.
$0.01per call on Base100% uptime, 378 ms, 2 paying agentsPassing, checked 55 min ago - 77trustHash MD5Sindri
MD5 hash generator API. Computes the MD5 hex digest of any text. Deterministic and instant — an LLM cannot reliably compute real cryptographic hashes on its own.
$0.01per call on Base100% uptime, 357 ms, 2 paying agentsPassing, checked 52 min ago - 77trustHash SHA256Sindri
SHA-256 hash generator API. Computes the SHA-256 hex digest of any text. Deterministic and instant — an LLM cannot reliably compute real cryptographic hashes on its own.
$0.01per call on Base100% uptime, 384 ms, 2 paying agentsPassing, checked 1 h ago - 77trustIs PrimeSindri
Deterministic primality test using the Miller-Rabin algorithm with a witness set proven deterministic for all integers below 3.3x10^24, safely covering the full JavaScript safe-integer range.
$0.01per call on Base100% uptime, 413 ms, 2 paying agentsPassing, checked 1 h ago - 77trustJwt DecodeSindri
Decodes (does not verify) a JWT by base64url-decoding its header and payload segments. Signature validity is never checked — do not use this to authenticate a token.
$0.01per call on Base100% uptime, 423 ms, 2 paying agentsPassing, checked 50 min ago - 77trustLoan Payment CalculatorSindri
Loan payment calculator. Computes the fixed monthly payment for a standard amortizing loan and returns the full month-by-month principal/interest/balance schedule — exact amortization math an LLM cannot reliably compute by hand for hundreds of periods.
$0.01per call on Base100% uptime, 358 ms, 2 paying agentsPassing, checked 1 h ago - 77trustMatrix OperationsSindri
Matrix operations: multiply, transpose, determinant, and invert, for matrices up to 20x20. Uses the ml-matrix library's LU decomposition (LuDecomposition) for determinant and inversion, with a numerical near-singularity guard beyond the library's exact-singular check.
$0.01per call on Base100% uptime, 363 ms, 2 paying agentsPassing, checked 1 h ago - 77trustPhysical ConstantsSindri
Lookup of standard physical constants (speed of light, gravitational constant, Planck constant, elementary charge, Avogadro number, Boltzmann constant, gas constant, electron mass) with exact published CODATA values.
$0.01per call on Base100% uptime, 324 ms, 2 paying agentsPassing, checked 1 h ago - 77trustQr Code GenerateSindri
Generates a QR code for the given text, returned as a base64-encoded PNG data URL, computed entirely locally with no external service call.
$0.01per call on Base100% uptime, 366 ms, 2 paying agentsPassing, checked 1 h ago - 77trustSavings Rate CalculatorSindri
Savings rate calculator. Divides the gap between monthly take-home income and spending by income to produce your personal savings rate as a percentage.
$0.01per call on Base100% uptime, 384 ms, 2 paying agentsPassing, checked 1 h ago - 77trustSolve Linear EquationSindri
Solves a system of linear equations (Ax = b) using the ml-matrix library's LU decomposition (LuDecomposition), with a near-singularity guard beyond the library's exact-singular check, for systems up to 20x20.
$0.01per call on Base100% uptime, 397 ms, 2 paying agentsPassing, checked 1 h ago - 77trustTesla Savings CalculatorSindri
Tesla savings calculator. Compares annual electricity cost for a Tesla against annual gas cost for a comparable gas vehicle, accounting for free-charging usage, and computes break-even years, cost per full charge, and gas-price-equivalent effective MPG.
$0.01per call on Base100% uptime, 407 ms, 2 paying agentsPassing, checked 1 h ago - 77trustUnit ConvertSindri
Unit conversion for length, mass, volume, and temperature using exact conversion factors (temperature uses the correct affine formulas, not simple multiplication).
$0.01per call on Base100% uptime, 326 ms, 2 paying agentsPassing, checked 1 h ago - 77trustUrl EncodeSindri
URL encoder API. Percent-encodes text for safe use in a URL query string or path segment, handling reserved-character rules LLMs often get wrong by hand.
$0.01per call on Base100% uptime, 329 ms, 2 paying agentsPassing, checked 1 h ago - 77trustGenerate Date DataSindri
True-random-date generator API. Generates a bounded random date via one of: anytime, past, future, between, betweens, recent, soon, birthdate. between/betweens require "from" and "to" date strings. Accepts optional locale (default en_US). Date args must parse to a valid date with year 1000-9999.
$0.01per call on Base100% uptime, 408 ms, 2 paying agentsPassing, checked 1 h ago - 77trustHsa Growth CalculatorSindri
HSA (Health Savings Account) growth calculator. Projects year-by-year account balance from a starting value, annual contributions, annual expense withdrawals, and an annual return rate.
$0.01per call on Base100% uptime, 404 ms, 2 paying agentsPassing, checked 41 min ago - 77trustPrime FactorizeSindri
Prime factorization of an integer via trial division, returning the full list of prime factors (with repetition).
$0.01per call on Base100% uptime, 379 ms, 2 paying agentsPassing, checked 53 min ago - 75trustAstronomy EphemerisSindri
Sunrise, sunset, solar noon, day length, and moon phase for a given latitude/longitude/date, computed via the suncalc library (standard solar/lunar position algorithms) — precise astronomical math an LLM cannot reliably compute mentally.
$0.01per call on Base94.7% uptime, 403 ms, 2 paying agentsPassing, checked 2 h ago - 75trustGenerate Checksum FormatSindri
Checksummed-identifier-format generator API. Generates a structurally valid isbn, upc, vin, or imei, each computed with its real check-digit algorithm. vin and imei take no arguments. Accepts optional locale (default en_US).
$0.01per call on Base94.7% uptime, 390 ms, 2 paying agentsPassing, checked 1 h ago - 75trustSemver CompareSindri
Compares two semantic version strings and reports which is greater, lesser, or equal, using the standard semver comparison rules.
$0.01per call on Base94.7% uptime, 349 ms, 2 paying agentsPassing, checked 1 h ago - 75trustStatistics SummarySindri
Descriptive statistics summary (mean, median, variance, standard deviation, and 25th/75th/90th percentiles via linear interpolation, matching R and numpy's default "type=7" method) over a numeric array of up to 10,000 elements.
$0.01per call on Base94.7% uptime, 404 ms, 2 paying agentsPassing, checked 1 h ago - 75trust
Windfall impact on FIRE timeline calculator. Runs the FIRE net-worth simulation twice — with and without a one-time lump sum added at a given year — and reports how many years the windfall shaves off your time to financial independence.
$0.01per call on Base100% uptime, 367 ms, 1 paying agentsPassing, checked 7 min ago - 75trust
Rental property investment calculator. Full multi-year deal analysis for a rental property deal: mortgage, per-category rent/expense growth, a sale scenario, IRR, and cumulative totals over the holding period, alongside the first-year NOI/cap-rate/cash-on-cash snapshot.
$0.01per call on Base100% uptime, 435 ms, 1 paying agentsPassing, checked 6 min ago - 75trust
Purchase impact on FIRE timeline calculator. Runs the FIRE net-worth simulation twice — with and without a one-time purchase amount deducted at a given year — and reports how many years that purchase delays financial independence, quantifying its true opportunity cost.
$0.01per call on Base100% uptime, 408 ms, 1 paying agentsPassing, checked 15 min ago - 75trust
Portfolio rebalancing calculator. Given current holdings and target allocation percentages, computes the dollar gap per asset and the monthly buy/sell inflow needed to reach the target allocation over a chosen rebalancing period.
$0.01per call on Base100% uptime, 400 ms, 1 paying agentsPassing, checked 4 h ago - 75trust
Keeping up with inflation calculator. Computes the pre-tax raise needed under two scenarios — keeping the same dollar amount saved, or maintaining the same savings rate — after inflation raises your spending and a marginal tax rate reduces the raise itself.
$0.01per call on Base100% uptime, 378 ms, 1 paying agentsPassing, checked 4 h ago - 75trust
Hybrid vs gas savings calculator. Compares annual fuel cost between a hybrid and a conventional gas vehicle based on miles driven, gas price, and each vehicle's MPG, and computes the break-even point for the hybrid's price premium.
$0.01per call on Base100% uptime, 415 ms, 1 paying agentsPassing, checked 4 h ago - 75trust
Gas mileage savings calculator. Compares annual fuel cost between two gas-powered vehicles based on miles driven, gas price, and each vehicle's MPG, and computes the break-even point for any price premium of the more efficient vehicle.
$0.01per call on Base100% uptime, 400 ms, 1 paying agentsPassing, checked 8 min ago - 75trust
Electric car savings calculator. Compares annual electricity cost against annual gas cost for a comparable gas vehicle, accounting for free-charging usage, and computes break-even years, cost per full charge, and gas-price-equivalent effective MPG.
$0.01per call on Base100% uptime, 392 ms, 1 paying agentsPassing, checked 5 min ago